Mine underground vertical shaft assembling and supporting steel structure

Abstract

The utility model discloses a mine underground vertical shaft assembling and supporting steel structure which comprises a vertical rod, the upper surface of the vertical rod is sleeved with a sleeve, the upper surface of the sleeve is provided with a first transverse rod, the upper surface of the first transverse rod is provided with a second transverse rod, and the first transverse rod and the second transverse rod are both rotationally connected with the vertical rod in a sleeved mode. In the utility model, the whole support steel structure adopts a chain type structure, so that the whole support steel structure is wound, the occupied space is reduced, the transportation is convenient, the whole support steel structure can be assembled in advance to reduce the site construction time, and the preliminary assembly of the support steel structure can be completed only by connecting the two ends of the support steel structure during site construction; the assembly time of the supporting steel structure is greatly shortened, finally, the whole supporting steel structure is of an assembly type structure, the number of the vertical rods, the first transverse rods, the second transverse rods and the limiting sleeves can be adjusted according to the specification of the vertical shaft, and the practicability of the supporting steel structure is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of shaft construction, in particular to an assembled supporting steel structure for a mine underground shaft. Background Art

[0002] In the construction of underground projects such as mine tunnels and traffic tunnels, in order to ensure the smooth progress of the construction, it is necessary to dig a vertical shaft for transporting materials and ventilation. The upper end of the shaft is connected to the ground, and the lower end of the shaft is connected to the tunnel or tunnel. In the construction of the shaft, the shaft is excavated through excavation operations, and the side walls of the excavated shaft are permanently supported through support operations. The support steel structure is one of the important structures in the support operation.

[0003] The existing technology has the following problems:

[0004] The existing supports are constructed on-site, which has a relatively high time cost and is difficult to assemble, increasing the labor intensity of the workers.

[0005] To this end, we proposed an assembled support steel structure for underground shafts in mines to solve the above-mentioned drawbacks. Utility Model Content

[0006] The purpose of the utility model is to solve the shortcomings of the prior art that the existing support is constructed on-site, the time cost is relatively high, the assembly is difficult, and the labor intensity of the workers is increased, and an underground mine shaft assembly support steel structure is proposed.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a mine underground shaft assembly support steel structure, including a vertical rod, the upper surface of the vertical rod is sleeved with a sleeve, the upper surface of the sleeve is provided with a first cross bar, the upper surface of the first cross bar is provided with a second cross bar, and the first cross bar and the second cross bar are both rotatably connected to the vertical rod, and a limiting sleeve is threadedly installed on the surface of the vertical rod and on one side of the second cross bar.

[0008] Preferably, arc-shaped fixing holes are formed on the surfaces of the first cross bar and the second cross bar, and positioning pins are provided in the arc-shaped fixing holes.

[0009] Preferably, connection holes are provided on the surfaces of the first cross bar and the second cross bar.

[0010] Preferably, mounting seats are provided at both end portions of the vertical rod, and mounting holes are provided on the surfaces of the mounting seats.

[0011] Preferably, bearings are embedded on the surfaces of the first crossbar and the second crossbar.

[0012] Preferably, the first cross bar and the sleeve are welded into an integral structure.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The utility model solves the problem that the existing support is constructed on-site, the time cost is relatively high, the assembly is difficult, and the labor intensity of workers is increased by arranging vertical rods, first horizontal rods, second horizontal rods, sleeves and limit sleeves. The overall support steel structure adopts a chain structure, so that the overall support steel structure can be wound, which reduces the occupied space and is convenient for transportation, so that it can be assembled in advance to reduce the on-site construction time. During on-site construction, only the two ends of the support steel structure need to be connected to complete the preliminary assembly of the support steel structure, which greatly reduces the assembly time of the support steel structure. Finally, the overall assembly structure is adopted, and the number of vertical rods, first horizontal rods, second horizontal rods and limit sleeves can be adjusted according to the specifications of the shaft, which further improves the practicality of the support steel structure.

[0015] (2) The utility model is provided with arc-shaped fixing holes and positioning pins. After the initial assembly of the supporting steel structure, the positioning pins are inserted into the arc-shaped fixing holes and fixed, thereby fixing the adjacent first cross bar and the second cross bar to prevent the first cross bar and the second cross bar from being misaligned and affecting their supporting effect. At the same time, connecting holes are opened on the surfaces of the first cross bar and the second cross bar, and expansion screws can be installed at the connecting holes. The first cross bar and the second cross bar are respectively connected to the inner side surface of the shaft by the expansion screws, thereby further fixing the first cross bar and the second cross bar to improve their supporting effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below.

[0017] Figure 1 This is a structural schematic diagram of a mine underground shaft assembly support steel structure proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the vertical rod structure of a mine underground shaft assembly support steel structure proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the vertical rod structure of a mine underground shaft assembly support steel structure proposed by the utility model;

[0020] Figure 4 The utility model is a schematic diagram of the top view of the second cross bar of the assembled supporting steel structure of the underground shaft of the mine.

[0021] Legend:

[0022] 1. Vertical bar; 2. First cross bar; 3. Second cross bar; 4. Sleeve; 5. Mounting hole; 6. Limit sleeve; 7. Mounting seat; 8. Arc-shaped fixing hole; 9. Positioning pin. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0024] Please refer to Figure 1-4 A steel structure for assembling and supporting an underground shaft of a mine comprises a vertical rod 1, a sleeve 4 is sleeved on the upper surface of the vertical rod 1, a first cross bar 2 is arranged on the upper surface of the sleeve 4, a second cross bar 3 is arranged on the upper surface of the first cross bar 2, and the first cross bar 2 and the second cross bar 3 are both rotatably connected to the vertical rod 1, and a limiting sleeve 6 is threadedly installed on the surface of the vertical rod 1 and on one side of the second cross bar 3.

[0025] In this implementation scheme: the overall supporting steel structure adopts a chain structure, so that the overall supporting steel structure can be wound, reducing the occupied space and facilitating transportation, so that it can be assembled in advance to reduce the on-site construction time. During on-site construction, only the two ends of the supporting steel structure need to be connected to complete the initial assembly of the supporting steel structure, which greatly reduces the assembly time of the supporting steel structure. Finally, the overall assembled structure is adopted, and the number of vertical rods 1, first cross rods 2, second cross rods 3 and limit sleeves 6 can be adjusted according to the specifications of the shaft, further improving the practicality of the supporting steel structure.

[0026] Specifically, arc-shaped fixing holes 8 are formed on the surfaces of the first cross bar 2 and the second cross bar 3 , and positioning pins 9 are provided in the arc-shaped fixing holes 8 .

[0027] In this embodiment: after the initial assembly of the supporting steel structure, the positioning pin 9 is inserted into the arc-shaped fixing hole 8 and fixed, so that the adjacent first cross bar 2 and the second cross bar 3 are fixedly installed to prevent the first cross bar 2 and the second cross bar 3 from being misaligned and affecting the supporting effect.

[0028] Specifically, connection holes are formed on the surfaces of the first cross bar 2 and the second cross bar 3 .

[0029] In this embodiment: expansion screws can be installed at the connection holes, and the first cross bar 2 and the second cross bar 3 can be connected to the inner side of the shaft respectively by the expansion screws, so as to further fix the first cross bar 2 and the second cross bar 3 and improve their supporting effect.

[0030] Specifically, mounting seats 7 are provided at both ends of the vertical rod 1 , and mounting holes 5 are provided on the surfaces of the mounting seats 7 .

[0031] In this embodiment: by providing a mounting seat 7 and a mounting hole 5, adjacent supporting steel structures in the vertical direction are connected and mounted.

[0032] Specifically, bearings are embedded on the surfaces of the first crossbar 2 and the second crossbar 3 .

[0033] In this embodiment, by providing bearings, the first cross bar 2 and the second cross bar 3 can rotate more flexibly with the vertical bar 1 .

[0034] Specifically, the first cross bar 2 and the sleeve 4 are welded into an integrated structure.

[0035] In this embodiment, it is convenient to perform sleeve connection operation between the vertical rod 1 and the first cross rod 2 and the sleeve 4 .

[0036] Working principle: The overall support steel structure adopts a chain structure, so that the overall support steel structure is wound, which reduces the occupied space and facilitates transportation, so that it can be assembled in advance to reduce the on-site construction time. During on-site construction, only the two ends of the support steel structure need to be connected to complete the initial assembly of the support steel structure, which greatly reduces the assembly time of the support steel structure. Finally, the overall assembly structure is adopted, and the number of vertical bars 1, first cross bars 2, second cross bars 3 and limit sleeves 6 can be adjusted according to the specifications of the shaft, further improving the practicality of the support steel structure; after the initial assembly of the support steel structure, the positioning pin 9 is inserted into the arc-shaped fixing hole 8 and fixed, so that the adjacent first cross bar 2 and second cross bar 3 are fixedly installed to prevent the first cross bar 2 and the second cross bar 3 from being misplaced and affecting its support effect. At the same time, connection holes are opened on the surfaces of the first cross bar 2 and the second cross bar 3, and expansion screws can be installed at the connection holes. The first cross bar 2 and the second cross bar 3 are connected to the inner side of the shaft by expansion screws, and the first cross bar 2 and the second cross bar 3 are further fixed to improve their support effect.

[0037] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A mine underground shaft assembly support steel structure, comprising a vertical rod (1), characterized in that: The upper surface of the vertical rod (1) is sleeved with a sleeve (4), the upper surface of the sleeve (4) is provided with a first cross bar (2), the upper surface of the first cross bar (2) is provided with a second cross bar (3), and the first cross bar (2) and the second cross bar (3) are both rotatably connected to the vertical rod (1), and a limiting sleeve (6) is threadedly installed on the surface of the vertical rod (1) and on one side of the second cross bar (3).

2. The mine underground shaft assembly support steel structure according to claim 1, characterized in that: The surfaces of the first cross bar (2) and the second cross bar (3) are both provided with arc-shaped fixing holes (8), and the arc-shaped fixing holes (8) are provided with positioning pins (9).

3. The mine underground shaft assembly support steel structure according to claim 1, characterized in that: The surfaces of the first cross bar (2) and the second cross bar (3) are both provided with connection holes.

4. The mine underground shaft assembly support steel structure according to claim 1, characterized in that: Mounting seats (7) are provided at both end portions of the vertical rod (1), and mounting holes (5) are provided on the surfaces of the mounting seats (7).

5. The mine underground shaft assembly support steel structure according to claim 1, characterized in that: The surfaces of the first cross bar (2) and the second cross bar (3) are both provided with connection holes.

6. The mine underground shaft assembly support steel structure according to claim 1, characterized in that: The first crossbar (2) and the sleeve (4) are of a welded integral structure.

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